Conventional gearboxes usually have two sets of gears: enter and output. the input & the output. The enter gears are fastened on the countershaft, making them single models. It drives the person gears on the leading shaft, which rotate freely to the bearings. Bevel gearboxes have spiral and straight https://gearbox49257.bloggip.com/33859614/5-tips-about-gearbox-you-can-use-today